Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -r991b728889da6617433aca9d6fbdcdbc0c16c901 -r31258f2feec374bbb0b62efe4dbb6635e151d767
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 991b728889da6617433aca9d6fbdcdbc0c16c901)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 31258f2feec374bbb0b62efe4dbb6635e151d767)
@@ -49,7 +49,7 @@
 #define BAL_CHAMBER_FILL_COMPLETE_MS                ( 100 / TASK_GENERAL_INTERVAL )             ///< Time (ms/tasktime) to confirm the balancing chamber fill completed and pressure is within range
 #define SPENT_FILL_COMPLETE_QD_LOW_RISE_MAX_MLPM    300.0F                                      ///< For Qd <= 300 mL/min (Diener 1000).
 #define SPENT_FILL_COMPLETE_DP_RISE_PSIG            0.5F                                        ///< Minimum 100 ms spent pressure rise (current minus n-2) to count as a rise hit at low Qd.
-#define SPENT_FILL_COMPLETE_DP_RISE_HIGH_QD_PSIG    3.0F                                        ///< Minimum spent pressure rise for Diener 2000 or Qd > 300 mL/min.
+#define SPENT_FILL_COMPLETE_DP_RISE_HIGH_QD_PSIG    2.0F                                        ///< Minimum spent pressure rise for Diener 2000
 #define SPENT_FILL_SLOPE_SPENT_PRESSURE_HIGH_PSIG   2.0F                                        ///< Above this spent pressure rise, only one rise hit is required.
 #define SPENT_FILL_SLOPE_MAX_RISE_HITS              2                                           ///< Rise hits required when Qd <= 150 in the low spent-pressure band.
 #define SPENT_FILL_DETECT_COUNT_TOL_PCT             1.0F                                        ///< Allowed detection timing tolerance as a fraction of expected BC switching count.
@@ -68,7 +68,7 @@
 #define BC_ACID_SPEED_OFFSET_MLPM                   160.0F                                      ///< Acid speed formula offset (mL/min).
 #define BC_ACID_SPEED_DISC_CONSTANT                 102400.0F                                   ///< Acid speed formula discriminant constant.
 #define BC_ACID_SPEED_DISC_VOL_COEF                 96000.0F                                    ///< Acid speed formula volume coefficient.
-#define BAL_CHAMBER_MAX_SWITCH_TIME_TOL             0.4F                                        ///< Maximum tolerance defined for switching states
+#define BAL_CHAMBER_MAX_SWITCH_TIME_TOL             1.0F                                        ///< Maximum tolerance defined for switching states
 #define BAL_CHAMBER_ABSOLUTE_SPENT_PRESSURE         33.0F                                       ///< Maximum spent(D51) pressure before we declare the fill is complete
 
 /// Payload record structure for balancing chamber switch only request
@@ -404,7 +404,7 @@
         //update the switching period in task interval for balancing chamber fill timeout check
         balChamberSwitchingPeriod = (U32)( (F32)SEC_PER_MIN / getBalChamberSwitchingFreq() * ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) );
 
-        balChamberTolSwitchTime = (F32)balChamberSwitchingPeriod + (F32)balChamberSwitchingPeriod * BAL_CHAMBER_MAX_SWITCH_TIME_TOL;
+        balChamberTolSwitchTime = (F32)balChamberSwitchingPeriod + ( (F32)balChamberSwitchingPeriod * BAL_CHAMBER_MAX_SWITCH_TIME_TOL );
 
         // finish the balancing chamber fill 50 ms prior completing the regular cycle time.
         balChamberSwitchingPeriod -= 1;